package proyecto.servlets;

import java.io.IOException;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import proyecto.dao.ClaseDAO;
import proyecto.modelo.Clase;

/**
 *
 * @author supervisor
 */
public class ClaseS extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        ClaseDAO dao = new ClaseDAO();
        String opcion = request.getParameter("opcion");
        System.err.println(opcion);
        if ("insertar".equals(opcion)) {
            Clase cl = new Clase();
            cl.setNombre(request.getParameter("cla_nom"));
            dao.insertar(cl);
            request.setAttribute("CLASE", "1");
            RequestDispatcher rd = request.getRequestDispatcher("/adm_ext_clase.jsp");
            rd.forward(request, response);
        } else {
            String tipo = request.getParameter("submit");
            System.err.println(tipo);
            if ("Modificar".equals(tipo)) {
                Clase cl = new Clase();
                cl.setNombre(request.getParameter("cla_mod"));
                int idclase = Integer.parseInt(request.getParameter("cla_id"));
                cl.setIdclase(idclase);
                dao.modificar(cl);
                request.setAttribute("CLASE", "2");
                RequestDispatcher rd = request.getRequestDispatcher("/adm_ext_clase.jsp");
                rd.forward(request, response);
            }else{
                Clase cl = new Clase();
                int idclase = Integer.parseInt(String.valueOf(request.getParameter("cla_id").charAt(0)));
                cl.setIdclase(idclase);
                dao.eliminar(cl);
                request.setAttribute("CLASE", "3");
                RequestDispatcher rd = request.getRequestDispatcher("/adm_ext_clase.jsp");
                rd.forward(request, response);
            }
        }

    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
